Tool holder assembly



FIG. 1 is a perspective view of the tool holder assembly of my invention;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right-hand side view thereof; and,

FIG. 7 is a left-hand side view thereof.

The broken-line disclosure of drill bits in the views is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tool holder assembly, as shown and described. 